1 files changed, 19 insertions, 0 deletions
diff --git a/layout/xul/test/browser_bug685470.js b/layout/xul/test/browser_bug685470.js
new file mode 100644
index 000000000..c86231bc7
--- /dev/null
+++ b/layout/xul/test/browser_bug685470.js
@@ -0,0 +1,19 @@
+add_task(function* () {
+  const html = "<p id=\"p1\" title=\"tooltip is here\">This paragraph has a tooltip.</p>";
+  yield BrowserTestUtils.openNewForegroundTab(gBrowser, "data:text/html," + html);
+
+  yield new Promise(resolve => {
+    SpecialPowers.pushPrefEnv({"set": [["ui.tooltipDelay", 0]]}, resolve);
+  });
+
+  yield BrowserTestUtils.synthesizeMouseAtCenter("#p1", { type: "mousemove" },
+                                                 gBrowser.selectedBrowser);
+  yield BrowserTestUtils.synthesizeMouseAtCenter("#p1", { }, gBrowser.selectedBrowser);
+
+  // Wait until the tooltip timeout triggers that would normally have opened the popup.
+  yield new Promise(resolve => setTimeout(resolve, 0));
+  is(document.getElementById("aHTMLTooltip").state, "closed", "local tooltip is closed");
+  is(document.getElementById("remoteBrowserTooltip").state, "closed", "remote tooltip is closed");
+
+  gBrowser.removeCurrentTab();
+});